git: sort.1: Mention that -o's argument can be one of the input files.

[Sascha Wildner]

commit d6ca1884cfe51f223c4a8aeb4e68f6f54e644f48
Author: Sascha Wildner <saw at online.de>
Date:   Mon Dec 2 21:25:03 2019 +0100

    sort.1: Mention that -o's argument can be one of the input files.

Summary of changes:
 usr.bin/sort/sort.1 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/d6ca1884cfe51f223c4a8aeb4e68f6f54e644f48


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